53511085 has 4 divisors (see below), whose sum is σ = 64213308. Its totient is φ = 42808864.

The previous prime is 53511083. The next prime is 53511097. The reversal of 53511085 is 58011535.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27846729 + 25664356 = 5277^2 + 5066^2 .

It is a cyclic number.

It is not a de Polignac number, because 53511085 - 2¹ = 53511083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53511083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5351104 + ... + 5351113.

It is an arithmetic number, because the mean of its divisors is an integer number (16053327).

Almost surely, 2^53511085 is an apocalyptic number.

It is an amenable number.

53511085 is a deficient number, since it is larger than the sum of its proper divisors (10702223).

53511085 is a wasteful number, since it uses less digits than its factorization.

53511085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10702222.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 53511085 is about 7315.1271349171. The cubic root of 53511085 is about 376.8321246444.

The spelling of 53511085 in words is "fifty-three million, five hundred eleven thousand, eighty-five".